CAT3606
TYPICAL CHARACTERISTICS
(V IN = 3.6 V, EN = V IN , ENM = ENS = GND, C IN = C OUT = 1 m F, R SET = 24 k W (20 mA per LED), T AMB = 25 ° C, unless otherwise specified.)
5
4
3
2
140
120
1.5x Mode
1
VIN = 3.6 V
all LEDs open
100
1x Mode
6 LEDs at 15 mA
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
80
3.0
3.2
3.4
3.6
3.8
4.0
4.2
1.10
1.05
1.00
INPUT VOLTAGE (V)
Figure 9. Ground Current vs. Input Voltage
(1.5x Mode)
1.10
1.05
1.00
INPUT VOLTAGE (V)
Figure 10. Supply Current vs. Input Voltage
0.95
6 LEDs at 20 mA
0.95
VIN = 3.6 V
6 LEDs at 15 mA
0.90
3.0
3.2
3.4
3.6
3.8
4.0
4.2
0.90
? 40
? 20
0
20
40
60
80
100
4
3
2
1
INPUT VOLTAGE (V)
Figure 11. Oscillator Frequency vs. Input
Voltage
100 mA load
10
8
6
4
TEMPERATURE ( ° C)
Figure 12. Oscillator Frequency vs.
Temperature
100 mA load
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
2
3.0
3.2
3.4
3.6
3.8
4.0
4.2
INPUT VOLTAGE (V)
Figure 13. Output Resistance vs. Input Voltage
(1x Mode)
INPUT VOLTAGE (V)
Figure 14. Output Resistance vs. Input Voltage
(1.5x Mode)
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7
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